Patent 8389337 was granted and assigned to Intel on March, 2013 by the United States Patent and Trademark Office.
Methods of forming microelectronic structures are described. Embodiments of those methods include attaching a patch structure to an interposer by thermal compression bonding, forming an underfill around an array of interconnect structures disposed on a top surface of the interposer, curing the underfill, and then attaching a die to the patch structure.